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The K31 is designed to seal the Tower Tank for Kayfun 5, while maintaining the Tower Tank's top refill ability.
Note: The K31 cannot be used with the stock tank of the Kayfun. The K31 can also be used with and threads on the tank of the Kayfun mini V3 and gives the atomizer smaller dimensions without changing any of its functions.
Material: 304L SS
Bore Diameter: 5mm
Type: Drip Tip